We currently offer language translations on our site primarily through Google Translate. This helps visitors find and use information in the languages they speak, but the tool is not perfect. Automated translation may be inaccurate or errors may display on translated pages.
Google Translate is an external website. King County does not control the quality or accuracy of translated content.
Personal property used in a business on January 1 must be reported in that year to the assessor of the county in which the property is located. Reports must be filed by April 30 or the taxpayer will incur a monthly penalty of 5 percent of the tax due, not to exceed 25 percent.